IpFire direct installation from network (iPXE)

iPXE command
chain http://mirror1.ipfire.org/releases/ipfire-boot/latest/undionly.kpxe
chain http://mirror1.ipfire.org/releases/ipfire-boot/latest/gpxe.kpxe

Links
http://wiki.ipfire.org/de/installation/pxe
http://mirror1.ipfire.org/releases/ipfire-boot/latest/
http://planet.ipfire.org/post/introduction-to-boot-ipfire-org